Best Square Tube Mailers in 2026

Perfect Moving Supplies - Designed to fit clothing, books, household, kitchen, garage, basement, office supplies and other personal items for moving, shipping, storage, or small business packaging

Heavy Duty Shipping Supplies - Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements

Extra Large, Large and Medium and Small Size Boxes - Made of kraft brown unprinted cardboard, single-layer corrugated boxes are lightweight and sturdy, perfect for house files, business file and personal household items

Round Tube Packaging: No more worrying about creases, wrinkles, and unwanted damage to your documents; this set of tube mailers helps keep them protected while in transit

Ship Multiple Documents: The shipping tubes are the perfect alternative to boxes; transport and protect your printed artwork, posters, maps, blueprints, graphics, and charts

Kraft Paper Material: These mailing supplies are made of quality thick brown kraft paper board with white snap caps to ensure the security of the contents that you place inside

Pack of 4 mailing tubes with caps

Extra Strength spiral wound construction for durability

Includes tight seal white end caps for both ends of the tube

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Mailing Tubes 2 pack with caps

Extra Strength spiral construction for durability

White end caps included for both ends

Perfect Shipping Supplies - Designed to fit clothing, household, kitchen, garage, basement, office supplies and other personal items for moving, shipping, storage, or small business packaging

Heavy Duty Shipping Tubes - Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements

25 Pack Bulk Box Value Bundle - Manufactured from Aviditi and brand new

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Pack of 2 mailing tubes with caps

Extra Strength spiral wound construction for durability

Includes tight seal white end caps for both ends of the tube

These high-quality tubes are spirally wound and manufactured so they will not bend or damage products.

From the beginning to the end, these heavy-duty kraft mailing tubes help keep your rolled materials safe during shipment

Durable and dependable mailing tubes are one of the strongest in the industry

Heavy Duty Shipping Tubes - Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements

Optimal Packaging Solution and Supplies - Designed to ship or store documents, artwork, posters, blueprints, graphics, and charts

Mailing Tubes with Caps - Made of unprinted cardboard, single-layer corrugated boxes are lightweight and sturdy

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Heavy Duty Shipping Tubes - Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements

Optimal Packaging Solution and Supplies - Designed to ship or store documents, artwork, posters, blueprints, graphics, and charts

Mailing Tubes with Caps - Made of unprinted cardboard, single-layer corrugated boxes are lightweight and sturdy

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Package of 100

Square shape keeps them from rolling

Clear plastic

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Maximum storage or mailing protection, extra strong

Plastic end caps seal tubes (included)

Rigid tubes resist bending and crushing

Maximum storage or mailing protection, extra strong

Plastic end caps seal tubes (included)

Rigid tubes resist bending and crushing

Waterproof and Fade Resistant: Protect documents from rain and sun! If youâ€re traveling for a business trip, keep your records dry.

If storing documents long-term, never worry about fading.

Perfectly suited for for artists, illustrators, architects or hobbyists. Ideal for storing paper, mayfair, tracing paper, canvases and posters.

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Pack of 6 mailing tubes with caps

Extra Strength spiral wound construction for durability

Includes tight seal white end caps for both ends of the tube

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

Made in United States

Package Dimensions : 57.25 L x 2.25 H x 17.0 W (inches)

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.